3D Printer T8 Lead Screw Set Dia 8MM Pitch 1mm Lead 1mm Length 600mm with 6x8mm shaft coupling Go to amazon.com Related posts The 10 best t8 600 8 for 2022 FeatureBrand new& High quality. DescriptionPackage content: 1pcs T8-600 lead screw 1pcs copper nut 1pcs coupler 6x8mm 11pcs pillow bearing block